ekg
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| characteristic of ST segment depression and T wave inversion | mycardial ischemia
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| correct order of a complete cardiac cycle in a normal heart | P wave, QRS complex, and T wave
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| describe the correct electrode placement for lead V5 | Anterior axillary line, 5th intercoastal space
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| describe the correct electrode placementment for Lead V1 | Right of the sternum, 4th intercoastal space
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| describe the correct electrode placement for Lead V 2 | Left of the sternum, 4th intercoastal space
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| describe the correct electrode placement for Lead V6 | Midaxillary line, 5th intercoastal space
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| describe the correct electrode placement for Lead V5 | On the left anteriror axillary line, horizontal to V4
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| describe the correct electrode placement for Lead 4 | On the left midclavicular line, 5th intercostal space
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| describe the correct electrode placement for Lead V8 | left midscapular line
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| describe the correct electrode placement for Lead V8R | right midscapular line
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| describe the correct electrode placement for Lead V7 | left postierior axillary line
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| describe the correct electrode placement for Lead V7R | right postierior axillary line
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| what sign shoudl the EKG technician be concerned about ina patiend undergoing stress testing | decreased heart rate, can be a result of ischemia and should prompt to stop test & notify physician
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| statement made by EKG technician correctly prepares the patient for telemetry monitoring | You may clean the skin with an alcohol pad (or soap & water)
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| Rhythm that is characterized by upright P waves, narrow QRS complexes and a ventricular rate between 60-100 | sinus rhythm
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| Rhythm that is characterized by absent P waves, wide QRS complexs and a ventricular rate between 20 -40 | Idioventricular rhythm
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| Rhythm that is characterized by absent P waves, narrow QRS complexes and a ventricular rate between 40-60 | Juctional rhythm
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| For 5-lead placement for ambulatory monitoring, where should the EKG technician place the green ground electrode | On a rib on the lower right side
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| 5 lead what is placed on the right area of the manubruium | negative electrode
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| 5 lead what is placed fifth intercostal space midclavicular and also place on the xipoid process of the stemum | positive electrodes
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| what lead is created between the left arm and left leg | lead III
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| what lead is created between the left arm and the right arm plus the left leg | aVL
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| what lead is created betweent he left leg and the right arm plus the the left arm | aVF
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| what lead is created between the right arm and the left arm | Lead I
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| what would cause an IKG tech to stop a stress tess | dizziness indicates a decrease in cardiac output
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| 5 lead where is the red lead placed | lower left torso
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| EKG see a somotic interference | somontic is a tremor or seizing
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| EKG woman is sweating profusely may cause what | wandering baseline
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| EKG woman talking on cell phone may cause what | a thick pattern on the EKG printout due to AC interference
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| Myocardial infarction can often be dectected by the presence of | Pathologic Q waves
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| M shaped P waves indicate what | left atrial enlargement
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| An EKG technician is measuring the intervals on an EKG tracing -what is anticipated finding of impaired conduction trhough the AV node | Prolonged PR interval- is a direct reflection of AV node conduction
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| What EKG change is associated with myocardial injury | ST segmant elevation
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| What EKG change is associated with hypokalemia | T wave flattening
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| What EKG change is assoicated with ST segmant depression | mycardial ischemia
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| what EKG change is assoicated with T wave inversion | mycardial ischemia
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| an EKG has a 2mm STelevation in leads I, AVL V5, V6, what type of infarction would this represent | Lateral infarction (it's observed in the septum- observes the inferior heart)
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| what leads changes are best indicators of a posterior infarction | V1 and V2
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| ekg tech notices that none of the leads are giving a reading- which limb should the tech check first | right leg- it is shared by all leads
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| right arm affects what leads | lead I and II and the augmented limb leads
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| left arm affects what leads | lead I and III and the augmented limb leads
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| left leg affects what leads | leads II and III adn the augmented limb leads
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| for a normal patient what describes the pattern of the anticipated QRS complex in V4 | half positive, half negative
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| what is characterized by ST segment depression and T wave inversion | Myocaridal ischemia
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| a patient has difficulty understanding why she needs an ambulatory monitor after having an ekg two days prior, how do you explain | your doctor wants to study your heart over a longer period of time
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| where should an ekg place electrodes for leads V7, V8 V9 | evenly spaced on the back between the axillary line and the vertebral column at the 5th intercostal space
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| an ekg tech notices that hte waveforms on an ekg are very close together and the patient has an unusually rapid heart rate- in order to spread out hte tracing, the tech should change the paper speed to what? | 50mm/second- a faster paper speed spreads out he waveforms and makes the tracing more easily readable
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| what are signs of myocaridal ischemia while performing a treadmill stress test on a patient | peaked, hyperacute, and broad-based T waves and convex ST segments are classic findings
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| an ekg tech is asked to obtain right-sided ikg on patient with suspected acute myocardial infarction of the interior wall- what leads is most sensitive and specific to right ventricular ischemia | Lead V4R
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| the QRS is too tall to fit on the EKG pater what action should the tech take | change the gain control to 1/2- due to this will shorten the wave by q/w ton the vertical axis making it so it can be visible on the graph paper
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| on a 12 lead on an infant patient what modifications can be made | putting limb lead to the torso
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| in order for an ekg tech to control and regulate the output or height of ekg waveforms should use what control | sensitivity (speed would control the width not height)
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| what electorde is used to create leads I, II and aVR | right arm- it is the only lead that shows thes specific areas of the heart
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| what ekg finding differenctiats acceslarated idoventricular rhythm from junctional rhythm | accelerated idoventricular rhythm has a wide QRS complex
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| performing a stress test patient complains of heaviness on his chest and becomes diaphoretic, thes are signs and symptoms of what | myocardial infartion
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| perfomring a stress test and has faintness, blackouts and temporary hemiparesis, not chest heaviness or diaphoresis- sign of what | transient ischemic attack
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| what is cerebrovascular accident | lack of oxygen to the brain due to lack of blood flow
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| what are signs & symptons of cogengestive heart failure | include fluid overload due to lack of good blood flow
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| what artery is the prefereed site for measuring an adult after a stress test | radia is the easiest to access and most palpable for an adult
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| what artery is preferred for an infant | brachial
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| what abnormality is associated with large U waves on the EKG | decreased potassium level causes U waves to become visible
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| what artifact looks like on ekg small bumps regular consistant with same amplitude | electrical interference
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| what wave has absent p waves , irregularly irregularrhythm and ventricular rate of 60-100 | atrial fibrillation
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| what wave has varible p waves and a ventricular rate greater than 100 min | multifocal atrial tachycardia
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| what rhythm character has the presence of large pacer spikers followed by wide QRS | ventricular pacemaker
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